From: Peter Zijlstra <peterz@infradead.org>
To: x86@kernel.org
Cc: dwmw@amazon.co.uk, pbonzini@redhat.com, linux-kernel@vger.kernel.org
Subject: [PATCH] x86,kvm/xen: Remove superfluous .fixup usage
Date: Sun, 23 Jan 2022 13:42:19 +0100 [thread overview]
Message-ID: <20220123124219.GH20638@worktop.programming.kicks-ass.net> (raw)
Commit 14243b387137 ("KVM: x86/xen: Add KVM_IRQ_ROUTING_XEN_EVTCHN and
event channel delivery") adds superfluous .fixup usage after the whole
.fixup section was removed in commit e5eefda5aa51 ("x86: Remove .fixup
section").
Fixes: 14243b387137 ("KVM: x86/xen: Add KVM_IRQ_ROUTING_XEN_EVTCHN and event channel delivery")
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
arch/x86/kvm/xen.c | 10 ++--------
1 file changed, 2 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kvm/xen.c b/arch/x86/kvm/xen.c
index 0e3f7d6e9fd7..bad57535fad0 100644
--- a/arch/x86/kvm/xen.c
+++ b/arch/x86/kvm/xen.c
@@ -316,10 +316,7 @@ int __kvm_xen_has_interrupt(struct kvm_vcpu *v)
"\tnotq %0\n"
"\t" LOCK_PREFIX "andq %0, %2\n"
"2:\n"
- "\t.section .fixup,\"ax\"\n"
- "3:\tjmp\t2b\n"
- "\t.previous\n"
- _ASM_EXTABLE_UA(1b, 3b)
+ _ASM_EXTABLE_UA(1b, 2b)
: "=r" (evtchn_pending_sel),
"+m" (vi->evtchn_pending_sel),
"+m" (v->arch.xen.evtchn_pending_sel)
@@ -335,10 +332,7 @@ int __kvm_xen_has_interrupt(struct kvm_vcpu *v)
"\tnotl %0\n"
"\t" LOCK_PREFIX "andl %0, %2\n"
"2:\n"
- "\t.section .fixup,\"ax\"\n"
- "3:\tjmp\t2b\n"
- "\t.previous\n"
- _ASM_EXTABLE_UA(1b, 3b)
+ _ASM_EXTABLE_UA(1b, 2b)
: "=r" (evtchn_pending_sel32),
"+m" (vi->evtchn_pending_sel),
"+m" (v->arch.xen.evtchn_pending_sel)
next reply other threads:[~2022-01-23 12:43 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-23 12:42 Peter Zijlstra [this message]
2022-01-24 13:53 ` [PATCH] x86,kvm/xen: Remove superfluous .fixup usage Paolo Bonzini
2022-01-27 9:40 ` [EXTERNAL] " David Woodhouse
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